A union list of serials commencing publication after Dec. 31, 1949.

First multi-year cumulation covers six years: 1965-70.

Includes history of bills and resolutions.

Some vols. include supplemental journals of "such proceedings of the sessions, as, during the time they were depending, were ordered to be kept secret, and respecting which the injunction of secrecy was afterwards taken off by the order of the House."